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  <title>Get a list of IPv4 addresses corresponding to a given Internet host
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</div><hr /><div id="function.gethostbynamel" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">gethostbynamel</h1>
  <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">gethostbynamel</span> &mdash; <span class="dc-title">
   Get a list of IPv4 addresses corresponding to a given Internet host
   name
  </span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.gethostbynamel-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">array</span> <span class="methodname"><strong>gethostbynamel</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$hostname</code></span>
   )</div>

  <p class="para rdfs-comment">
   Returns a list of IPv4 addresses to which the Internet host
   specified by <em><code class="parameter">hostname</code></em> resolves. 
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.gethostbynamel-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">hostname</code></em></dt>

     <dd>

      <p class="para">
       The host name.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.gethostbynamel-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns an array of IPv4 addresses or <strong><code>FALSE</code></strong> if
   <em><code class="parameter">hostname</code></em> could not be resolved.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.gethostbynamel-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-4384">
    <p><strong>Example #1 <span class="function"><strong>gethostbynamel()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$hosts&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">gethostbynamel</span><span style="color: #007700">(</span><span style="color: #DD0000">'www.example.com'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$hosts</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程会输出：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
Array
(
    [0] =&gt; 192.0.34.166
)
</pre></div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.gethostbynamel-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.gethostbyname.html" class="function" rel="rdfs-seeAlso">gethostbyname()</a> - Get the IPv4 address corresponding to a given Internet host name</span></li>
    <li class="member"><span class="function"><a href="function.gethostbyaddr.html" class="function" rel="rdfs-seeAlso">gethostbyaddr()</a> - Get the Internet host name corresponding to a given IP address</span></li>
    <li class="member"><span class="function"><a href="function.checkdnsrr.html" class="function" rel="rdfs-seeAlso">checkdnsrr()</a> - Check DNS records corresponding to a given Internet host name or IP address</span></li>
    <li class="member"><span class="function"><a href="function.getmxrr.html" class="function" rel="rdfs-seeAlso">getmxrr()</a> - Get MX records corresponding to a given Internet host name</span></li>
    <li class="member">the <em>named(8)</em> manual page</li>
   </ul>
  </p>
 </div>


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